488000

素因数分解:

$2^6\times 5^3\times {\mathrm{61}}^1$

素因数の和:88

約数の個数: 56

約数和(自身を含む): 1228344

約数和(自身を除く): 740344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 160, 200, 244, 250, 305, 320, 400, 488, 500, 610, 800, 976, 1000, 1220, 1525, 1600, 1952, 2000, 2440, 3050, 3904, 4000, 4880, 6100, 7625, 8000, 9760, 12200, 15250, 19520, 24400, 30500, 48800, 61000, 97600, 122000, 244000, 488000]

約数ペア:

[(1, 488000), (2, 244000), (4, 122000), (5, 97600), (8, 61000), (10, 48800), (16, 30500), (20, 24400), (25, 19520), (32, 15250), (40, 12200), (50, 9760), (61, 8000), (64, 7625), (80, 6100), (100, 4880), (122, 4000), (125, 3904), (160, 3050), (200, 2440), (244, 2000), (250, 1952), (305, 1600), (320, 1525), (400, 1220), (488, 1000), (500, 976), (610, 800)]